Data conversion techniques for producing autocorrelation functions



1968 L. P. HoRwn'z ETAL 3,

DATA CONVERSION TECHNIQUES FOR PRODUCING AUTOCORRELATION FUNCTIONSOriginal Filed July 25, 1960 1 30 Sheets-Sheet l MAXIMUM SIGNALINDICATOR a INVENTORS LAWRENCE R nonwrz GLENMORE LSHELTON JR W'MBY WORNEY Nov. 26, 1968 L. P. HORWITZ ETAL 3,413,602 DATA CONVERSIONTECHNIQUES FOR PROD UCING AUTOCORRELATION FUNCTIONS Original Filed July25, 1960 30 Sheets-Sheet 2 I I (cos a) FIG.4

Nov. 26, 1968 L. P. HORWITZ ETAL 3,413,502

DATA CONVERSION TECHNIQUES FOR PRODUCING AUTOCORRELATION FUNCTIONSOriginal Filed July 25, 1960 30 Sheets-Sheet 5 FIG. 5

Nov. 26, 1968 L. P. HORWITZ ETAL DATA CONVERSION TECHNIQUES FORPRODUCING AUTOCORRELATION FUNCTIONS Original Filed July 25, 1960 FL!P-FLOP FIG.6

FIG. 8

AMPLIFIER FIGJO DELAY CIRCUIT DELAY m FIG.12

30 Sheets-Sheet 4 "AND" GATES v FIG.7

INVERTER FIG.9

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SINGLE-SHOT MULTIVIBRATOR RING COUNTER FIG.13

SET To 3 R DELAY s R DELAY v S R FIRST STAGE 'I SHIFLPULSES 1968 P.HORWITZ ETAL 1 3,

DATA CONVERSION TECHNIQUES FOR PRODUCING AUTOCORRELATION FUNCTIONSOriginal Filed July 25, 1960 FIG.15 COUNTER COUNT J 2': PULSES i S 1 1 2a READOUT AT 6 30 Sheets-Sheet 5 s 11 0 e; 1 115551100 i fl l G 1 5-PULSE COUNTER DELAY j coum PULSES s 1 R 0 1 S 1 RESET 1o 0 0 ,1 JREADOUT R 0 a 11o,5 ,1o,1s,E1c.

READ-ONLY REGISTER F|G 17 v 2ou11=u1 42 42 1T0 1 10 To WRITE-READREGISTER FIG.18 2ou11=u1 2 2 1 o 1 o 1 o s R s 11 s 11 1 A A I RESET m111115 2INPUT 2' 2 1968 L. P. HORWITZ ETAL DATA CONVERSION TECHNIQUESFOR PRODUCING AUTOCORRELATION FUNCTIONS 1960 Original Filed July 25,

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N 6, 1968 L. P HORWITZ ETAL 3,413,502

DATA CONVERSIQN TECHNIQUES FOR PRODUCING AUTOCORRELATION FUNCTIONSOriginal Filed July 25, 1960 30 Sheets-Sheet H H H H H H H H 1968 L. P.HORWiTZ ETAL 3,413,602

DATA CONVERSION TECHNIQUES FOR PRODUCING AUTOCORRELATION FUNCTIONSOriginal Filed July 25, 1960 30 Sheets-Sheet 9 nmw dc MNGE 50Sheets-Sheet 10 L. P. HORWITZ ETAL AUTOCORRELATION FUNCTIONS DATACONVERSION TECHNIQUES FOR PRODUCING Nov. 26, 1968 Original Filed July25,

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DATA CONVERSION TECHNIQUES FOR PRODUCING AUTOCORRELATION FUNCTIONSOriginal Filed July 25, 1960 30 Sheets-Sheet 15 NORMALIZED COMPARISONREFERENCE PATTERN 1 2 3 4 5 6 7 8 9 O 9.22 5.86 523 7.49 6.15 6.18 7.066.26 6.95 6.21 824 12.96 10.63 11.37 11.41 12.23 11.55 12.24 10.88 10.68

11.42 10.21 11.951105 12.55 12.10 1111727171 Egg FIG.35

NORMALIZED"SECOND-DIFFERENCE COMPARISON REFERENCE PATTERN 1 2 3 4 5 6 78 9 O FIG. 36

L. P. HORWITZ ETAL. 3,413,602 DATA CONVERSION TECHNIQUES FOR PRODUCINGNov. 26, 1968 AUTOCORRELATION FUNCTIONS 1960 30 Sheets-Sheet 16 OriginalFiled July 25,

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DATA CONVERSION TECHNIQUES FOR PRODUCING AUTOCORRELATION FUNCTIONS 196030 Sheets-Sheet 17 Or ginal Filed July 25.

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nhm QE Nov. 26, 1968 P. HORWITZ ETAL 3,413,602

DATA CONVERSION TECHNIQUES FOR PR ODUCING AUTOCORRELATEON FUNCTIONSOriginal Filed July 25, 1960 30 Shee cs-Sheet l B Swim 12.5523 mum:

E5525 .mwaw 1.53:8:

3m Eiw E w an w w T y N A v Q w m i 25332 m U :1 2.5 :5; M w r m .E E V.zwc H m a. 02 N @2523: m2 as? 2% m w a; EH 5 rg ig 31: 1258+ 8 MM 3x39a E 2 5% m six w 35 2a A m E 225:3: w. as I -m AU E h mn Nov. 26, 1968L. P. HORWITZ ETAL DATA CONVERSION TECHNIQUES FOR PRODUCINGAUTOCORRELATION FUNCTIONS Original Filed July 25, 1960 50 Sheets-Sheet19 C m D FIG. 390 J VERTICAL I 251 SWEEP GEN PHOTO I SCANNER TUBE Huomzoum 205 20? SWEEPGEN F v a P -cL00K PULSES 213 2H 1 1 zos ig A4sTART PULSE 205 B 1/2 229 f I CLOCK SQ 'Z a PULSES \231 COUNT READ 001AT 44 LKIZT I RESET T0 0 PULSES COUNTER J 85 K 255 I m0 0 A m\1o 0TT45OR 220 J 2:5

n READ OUT AT '0' COUNT PULSES '8 B COUNTER CLOCK PULSES RESET TO '0'00001010553 COUNTER READ OUT ATB' 21? RESET T0 '0' 0 I I HG 39 FIG. FIG.FIG. FIG. FIG. FIG- 39a 39b 39c 39d 39e 39f Nov. 26, 1968 P. HORWITZETAL 3,413,602

DATA CONVERSION TECHNIQUES FOR PRODUCING AUTOCORRELATION FUNCTIONSOriginal Filed July 25, 1960 30 Sheets-Sheet 20 SHIFT REGISTER RESET 45PULSE CLOCK 265 PULSES 265 RESET 5 T0 '0'

